package com.example.demo.controller;

import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class HelloWorldController {

    @RequestMapping("/hello")
    public String helloworld(){

        System.out.println("helloworld");
        return "hello world! docker jenkins\n 第二次修改内容";
    }
}
